Quantum Brain

Papers

Live trends in quantum computing research, updated daily from arXiv.

Total Papers

27,548

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1,041

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Research Volume

12,932 papers in 12 months (-5% vs prior quarter)

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Papers by research theme (12 months). Hover for details.

Qubit Platforms

Hardware platform mentions in abstractsPhotonic leads

2,459 papers found

A Longitudinal Analysis of the CEC Single-Objective Competitions (2010-2024) and Implications for Variational Quantum Optimization

Vojtěch Novák, Tomáš Bezděk, Ivan Zelinka +2 more·Mar 25, 2026

This paper provides a historical analysis of the IEEE CEC Single Objective Optimization competition results (2010-2024). We analyze how benchmark functions shaped winning algorithms, identifying the 2014 introduction of dense rotation matrices as a k...

Quantum PhysicsNeural Computing

Kinetics-Driven Selective Stoichiometric Shift and Structural Asymmetry in $Bi_4Te_3$ Nanostructures for Hybrid Quantum Architectures

Abdur Rehman Jalil, H. Valencia, Christoph Ringkamp +6 more·Mar 25, 2026

Advances in hybrid quantum architectures hinge on topological materials that can be synthesized with precise stoichiometric and structural control at the nanoscale. While $Bi_4Te_3$ is a promising candidate due to its dual topological phases, acting ...

Physics

Reaching for the performance limit of hybrid density functional theory for molecular chemistry

Jiashu Liang, Martin Head-Gordon·Mar 24, 2026

Density functional theory (DFT) offers an exceptional balance between accuracy and efficiency, but practical density functional approximations face an unavoidable trade-off among simplicity, accuracy, and transferability. A systematic protocol is the...

physics.chem-phphysics.comp-phQuantum Physics

Markov State--Space Modeling and Channel Characterization for DNA-Based Molecular Communication

Ruifeng Zheng, Zhihan Xu, Veronika Volkova +5 more·Mar 24, 2026

In this paper, we study DNA-based molecular communication with microarray-style reception under reversible hybridization, where the bound-state observation exhibits both inter-symbol interference and colored counting noise. To capture these effects i...

eess.SPEmerging Tech

Dark Matter Detection through Rydberg Atom Transducer

J. F. Chen, Haokun Fu, Christina Gao +5 more·Mar 24, 2026

Ultralight bosonic dark matter with masses in the meV range, corresponding to terahertz (THz) Compton frequencies, remains largely unexplored due to the difficulty of achieving both efficient signal conversion and single-photon-sensitive detection at...

hep-phastro-ph.COhep-exAtomic Physics

Solving Nonlinear Partial Differential Equations via a Hybrid Newton Method Using Quantum Linear System Solver

Maximilian Mandelt Buxadé, Stefan Langer, Philipp Bekemeyer·Mar 24, 2026

To approximate solutions of complex nonlinear partial differential equations remains a computational challenge, especially for sets of equations relevant in industry, such as Euler or Navier-Stokes equations. Even the most sophisticated computational...

Quantum Physics

Local and Global Master Equations through the Lens of Non-Hermitian Physics

Grazia Di Bello, Fabrizio Pavan, Vittorio Cataudella +1 more·Mar 24, 2026

We investigate the relation between non-Hermitian Hamiltonian and Lindblad dynamics in nonequilibrium open quantum systems. Non-Hermitian models can extend phase diagrams and enable sensing advantages, but such effects often rely on postselection, ra...

Quantum Physics

RC-HEOM Hybrid Method for Non-Perturbative Open System Dynamics

Po-Rong Lai, Jhen-Dong Lin, Yi-Te Huang +3 more·Mar 24, 2026

The Hierarchical equations of motion (HEOM) method is an important non-perturbative technique, allowing numerically exact treatment of open quantum systems with strong coupling and non-Markovian memory. However, its encoding of bath memory into auxil...

Quantum Physics

Global Optimization for Parametrized Quantum Circuits

Iosif Sakos, Antonios Varvitsiotis, Georgios Korpas +1 more·Mar 23, 2026

In the absence of error correction, noisy intermediate-scale quantum devices are operated by training parametrized quantum circuits (PQCs) so as to minimize a suitable loss function. Finding the optimal parameters of those circuits is a hard optimiza...

Quantum Physics

Model selection in hybrid quantum neural networks with applications to quantum transformer architectures

Harsh Wadhwa, Rahul Bhowmick, Naipunnya Raj +3 more·Mar 23, 2026

Quantum machine learning models generally lack principled design guidelines, often requiring full resource-intensive training across numerous choices of encodings, quantum circuit designs and initialization strategies to find effective configuration....

Quantum Physicscs.LG

Evidential Quantum Vertical Federated Learning

Hao Luo, Zhiyuan Zhai, Qianli Zhou +3 more·Mar 22, 2026

Quantum federated learning (QFL) has recently emerged as a promising paradigm for privacy-preserving collaborative learning, yet most existing studies focus on horizontal federated learning and ignore the vertical federated learning (VFL), where part...

Quantum Physics

Collective Dynamics in Circuit Quantum Acoustodynamics with a Macroscopic Resonator

Libo Zhang, Chilong Liu, Guixu Xie +9 more·Mar 21, 2026

Collective dynamics in engineered quantum systems offer a unique and versatile platform for exploring how many-body correlations bridge microscopic entanglement and macroscopic behavior. In this work, we report collective Dicke dynamics of acoustic m...

Quantum Physics

Antenna Array Beamforming Based on a Hybrid Quantum Optimization Framework

Shuai Zeng·Mar 20, 2026

This paper proposes a hybrid quantum optimization framework for large-scale antenna-array beamforming with jointly optimized discrete phases and continuous amplitudes. The method combines quantum-inspired search with classical gradient refinement to ...

Quantum Physicscs.LGeess.SP

Linear-optical generation of hybrid GKP entanglement from small-amplitude cat states

Shohei Kiryu, Yohji Chin, Masahiro Takeoka +1 more·Mar 20, 2026

Hybrid bosonic codes combining bosonic codes with photon states offer a promising pathway for fault-tolerant quantum computation. However, the efficient generation of such states in optical setups remains technically challenging due to the requiremen...

Quantum Physics

First principles characterization of spinterfaces between magnetic Cobaltocene molecule and 2D magnets (CrI$_3$, Fe$_3$GeTe$_2$)

Nikola Machacova, Biplab Sanyal·Mar 19, 2026

In this paper, we examine the properties of spin-polarized interfaces consisting of single-molecule magnet bis(cyclopentadienyl)cobalt(II) (cobaltocene) and two-dimensional magnetic materials, semiconducting CrI$_3$ and metallic Fe$_3$GeTe$_2$, using...

cond-mat.mtrl-sciMesoscale PhysicsQuantum Physics

Ultrastrong Coupling and Coherent Dynamics in a Gate-Tunable Transmon Qubit

I. Casal Iglesias, F. J. Matute-Cañadas, G. O. Steffensen +10 more·Mar 19, 2026

Ultrastrong light-matter coupling (USC) gives access to exotic quantum phenomena and promises faster quantum gates, yet coherent time-domain control in this regime remains largely unexplored. Here, we realize USC in a hybrid system consisting of an I...

Mesoscale Physicscond-mat.supr-conQuantum Physics

Quantum and classical approaches to the optimization of highway platooning: the two-vehicle matching problem

Chinonso Onah, Agneev Guin, Carsten Othmer +2 more·Mar 19, 2026

Aerodynamic drag reduction on highways through vehicle platooning is a well-known concept, but it has not yet seen systematic uptake, arguably because of significant technological and legislative obstacles. As a low-tech entry point to real multi-veh...

Quantum PhysicsEmerging Techphysics.app-ph

Simulating Supersymmetric Quantum Mechanics Using Variational Quantum Algorithms

John Kerfoot, David Schaich, Emanuele Mendicelli·Mar 19, 2026

The study of spontaneous supersymmetry breaking (SSB) on the lattice is obstructed by a severe sign problem. Quantum computing provides a promising alternative approach. In particular, properties of supersymmetry relate SSB to the ground-state energy...

Quantum Physicshep-lat

An HHL-Based Quantum-Classical Solver for the Incompressible Navier-Stokes Equations with Approximate QST

Moshe Inger, Steven Frankel·Mar 18, 2026

In computational fluid dynamics (CFD), the numerical integration of the Navier-Stokes equations is frequently constrained by the Poisson equation to determine the pressure. Discretization of this equation often results in the need to solve a system o...

Quantum Physicsphysics.comp-phphysics.flu-dyn

The Convergence Frontier: Integrating Machine Learning and High Performance Quantum Computing for Next-Generation Drug Discovery

Narjes Ansari, César Feniou, Nicolaï Gouraud +13 more·Mar 18, 2026

Integrating quantum mechanics into drug discovery marks a decisive shift from empirical trial-and-error toward quantitative precision. However, the prohibitive cost of ab initio molecular dynamics has historically forced a compromise between chemical...

Quantum Physicscs.LGphysics.chem-ph
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